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A259249 Number of (n+1)X(7+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0011 or 0111 1
1353, 15613, 159168, 1803859, 18970267, 211569948, 2259371001, 24946035357, 268635598788, 2948447364239, 31900157480147, 348917447759080, 3785118935837593, 41318554169121573, 448913396152129472 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A259250

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 54

FORMULA

Empirical recurrence of order 54 (see link above)

EXAMPLE

Some solutions for n=3

..0..1..1..1..1..1..0..0....1..1..0..0..1..0..0..1....0..1..0..0..1..0..1..0

..0..1..0..0..0..1..0..0....0..1..1..1..1..1..1..1....0..1..1..1..1..1..1..1

..1..1..1..1..1..1..1..1....0..1..0..0..0..1..0..0....0..1..0..1..0..0..0..1

..1..0..0..0..1..0..0..0....1..1..1..1..1..1..1..1....0..1..1..1..0..0..0..1

CROSSREFS

Cf. A259250

Sequence in context: A035763 A107559 A056103 * A215865 A172379 A192319

Adjacent sequences:  A259246 A259247 A259248 * A259250 A259251 A259252

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 22 2015

STATUS

approved

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Last modified September 20 09:44 EDT 2021. Contains 347583 sequences. (Running on oeis4.)